<?php
include_once "../function/common.php";
$a=array(111,"222",'name'=>'张三','age'=>18,1000=>333,"444");
$a2=['address'=>'zz','school'=>'水院']; //现代表示数组的方法
p($a,$a2,$a[1],$a2['address']);
//数组中key值的转换

$array = array(
    1 => 'a',
    '1' => 'b',
    1.5 => 'c',
    -1 => 'd',
    '01' => 'e',
    '1.5' => 'f',
    true => 'g',
    false => 'h',
    '' => 'i',
    null => 'j',
    'k',
    2=>'l',
);
p($array);